Full TGIF Record # 4394
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Author(s):Diez, J. A.
Author Affiliation:Instituto de Edafologia y Biologia Vegetal de Madrid, CSIC, Madrid, Spain
Title:Absorcion de K por ryegrass y Trifolium en suelos deficientes
Translated Title:Absorption of K by ryegrass and Trifolium in deficient soils
Source:Anales de Edafologia y Agrobiologia. Vol. 41, No. 1/2, 1982, p. 311-320.
Keywords:TIC Keywords: Lolium perenne; Trifolium repens; Nutrient uptake; Potassium; Soils
Abstract/Contents:In a pot trial, (a) perennial ryegrass (b) or white clover were grown in soils of low K contents, 5 with illite and 1 with smectite clays. K reserves ranged from 0.2 to 1.2 mg/100 g soil. DM production over 120 days ranged from 0.82 to 2.06 g/pot in (a) and 2.76 to 4.72 g/pot in (b) and absorbed K from (a) 21 to 51 mg/pot in (a) and 74 to 151 mg/pot in (b). In soils containing illite with different K saturation levels, K reserves decreased due to high extraction by the plants but not in soils with clays of high fixation capacity, smectite or expanded illites.
Note:Summary appears in English
Geographic Terms:Spain
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Diez, J. A. 1982. Absorcion de K por ryegrass y Trifolium en suelos deficientes. (In Spanish) Anales de Edafologia y Agrobiologia. 41(1/2):p. 311-320.
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